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