Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac du doc snippets" » "tac dau doc snippets", "cac du doc snippets", "tac da doc snippets", "tac duy doc snippets", "tac du hoc snippets", "tac nu doc 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 du doc 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 du doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac du doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac du doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.