Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi hai goc snippets" » "thi hai code snippets", "thi mai goc snippets", "thi hanh goc snippets", "thi mai ngoc snippets", "thi hai huoc snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing 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: (((("thi hai goc snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi hai goc snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi hai goc snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hai goc snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.