Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuoc luc hoc snippets" » "coc luc hoc snippets", "duoc lac hoc snippets", "duoc luu hoc snippets", "cuoc duoc hoc snippets"
"locating bug code snippets" » "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: (((("cuoc luc hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuoc luc hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuoc luc hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuoc luc hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.