Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac can doi snippets" » "tac van doi snippets", "tac quan doi snippets", "tac vang doi snippets", "tac can dai snippets", "tac cau doi snippets", "tac cac doi 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: (((("tac can doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tac can doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac can doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac can doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.