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