Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cho phan doc snippets" » "cho phan code snippets", "co phan doc snippets", "hoc phan doc snippets", "hoa phan doc snippets", "cho phan duoc snippets", "cho phan duc snippets", "cho than doc 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: (((("cho phan 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: (((("cho phan doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cho phan doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho phan doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.