Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao anh moi snippets" » "cao anh moi snippets", "tam anh moi snippets", "tran anh moi snippets", "tao hanh moi snippets", "tao anh noi snippets", "tao thanh moi 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: (((("tao anh moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tao anh moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao anh moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao anh moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.