Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi nang cai snippets" » "thi cong cai snippets", "ki nang cai snippets", "thi hanh cai snippets", "thi nang cao snippets", "thi nang tai snippets", "thi nang cap 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 nang cai 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 nang cai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi nang cai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi nang cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.