Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac dao le snippets" » "toc dao le snippets", "tac da le snippets", "tac bao le snippets", "tac do le snippets", "tac dao ve snippets", "tac hao le 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 dao le 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 dao le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac dao le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac dao le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.