Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chieu so di snippets" » "thieu so di snippets", "hieu so di snippets", "chieu cao di snippets", "chieu so dia snippets", "chieu so du snippets", "chieu so dk 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: (((("chieu so di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chieu so di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chieu so di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chieu so di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.