Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"do minh voi snippets" » "do binh voi snippets", "do minh hoi snippets", "do minh loi snippets", "dao minh voi snippets", "do dinh voi snippets", "doan minh voi 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: (((("do minh 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: (((("do minh voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( do minh voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do minh voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.