Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van tiep noi snippets" » "van tien noi snippets", "va tiep noi snippets", "van hiep noi snippets", "van tiep doi snippets", "van tieng noi snippets", "van tiep nuoc snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("van tiep noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van tiep noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van tiep noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van tiep noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.