Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi thinh ve snippets" » "thai thinh ve snippets", "thi thanh ve snippets", "thi hinh ve snippets", "thi thinh le snippets", "thi trinh 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 thinh ve 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 thinh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi thinh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi thinh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.