Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"gian tu cao snippets" » "gian tu code snippets", "gian xu cao snippets", "gian thua cao snippets", "gian cua cao snippets", "gian cu cao snippets", "gian tu cac snippets", "gian vu cao 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: (((("gian tu cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian tu cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( gian tu cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian tu cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.