Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac vang hon snippets" » "cac van hon snippets", "tac dung hon snippets", "tac dong hon snippets", "tac hoang hon snippets", "tac nang chon snippets", "tac vang khoa 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: (((("tac vang hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tac vang hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac vang hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac vang hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.