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