Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lan van doc snippets" » "lan van code snippets", "luan van doc snippets", "lang van doc snippets", "tan van doc snippets", "lan van duoc snippets", "lan van hoc snippets", "lan 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: (((("lan 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: (((("lan van doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lan van doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan van doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.