Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung vat moi snippets" » "dung vat code snippets", "dung va moi snippets", "dong vat moi snippets", "dung dat moi snippets", "dung bat moi snippets", "dung vao moi 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: (((("dung vat 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: (((("dung vat moi snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung vat moi snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung vat moi snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.