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