Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi bien so snippets" » "thi bien code snippets", "thi lien so snippets", "thi hien so snippets", "tai bien so snippets", "thi bien doi 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 bien so 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 bien so snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi bien so snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi bien so snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.