Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi minh vo snippets" » "chi minh vo snippets", "thi hanh vo snippets", "thi bich vo snippets", "thi minh voi snippets", "thi minh va snippets", "thi minh ve 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: (((("thi minh vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi minh vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi minh vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi minh vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.