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