Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi can moi snippets" » "khoa can moi snippets", "khoi nang moi snippets", "hoc can moi snippets", "khoi ban moi snippets", "khoi cac moi snippets", "khoi chat 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: (((("khoi can moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi can moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi can moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi can moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.