Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tin san chi snippets" » "tin sang chi snippets", "tan san chi snippets", "ton san chi snippets", "tin van chi snippets", "tin luan chi snippets", "tin toan chi 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: (((("tin san chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tin san chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tin san chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tin san chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.