Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh sao cac snippets" » "anh so cac snippets", "anh giao cac snippets", "hanh san cac snippets", "anh sat cac snippets", "anh tao cac 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: (((("anh sao 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: (((("anh sao cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh sao cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh sao cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.