Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"coc dat ngoc snippets" » "coc dat nuoc snippets", "coc dau ngoc snippets", "coc dang ngoc snippets", "hoc dat ngoc snippets", "chon dat ngoc snippets", "duoc dat ngoc snippets", "coc dat ngoc slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("coc dat ngoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("coc dat ngoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( coc dat ngoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("coc dat ngoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.