Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi mong cac snippets" » "thi mnong cac snippets", "thi muong cac snippets", "thi cong cac snippets", "thi dong cac snippets", "thi mong cai 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 mong cac 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 mong cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi mong cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi mong cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.