Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi thanh do snippets" » "thi thanh code snippets", "thi thanh pho snippets", "thi thanh hoa snippets", "thi thanh loi 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 thanh do 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 thanh do snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi thanh do snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi thanh do snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.