Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ian tinh cao snippets" » "ban tinh cao snippets", "man tinh cao snippets", "van tinh cao snippets", "ian tinh lao snippets", "ian tinh chat snippets", "ian tinh cach 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: (((("ian tinh cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ian tinh cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ian tinh cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ian tinh cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.