Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"con thi ngoc snippets" » "can thi ngoc snippets", "co thi ngoc snippets", "con chi ngoc snippets", "con thi 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: (((("con thi 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: (((("con thi ngoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con thi ngoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con thi ngoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.