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