Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chau do voi snippets" » "chau doc voi snippets", "cau do voi snippets", "chau tho voi snippets", "chau doi voi snippets", "chau dao voi snippets", "chau do moi 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: (((("chau do voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chau do voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chau do voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chau do voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.