Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc chu loi snippets" » "hoc cau loi snippets", "hoc cho loi snippets", "hoc thuc loi snippets", "hoc phu loi snippets", "hoc thuy loi snippets", "hoc chua loc 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: (((("hoc chu loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc chu loi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc chu loi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc chu loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.