Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chung van mo snippets" » "phung van mo snippets", "nhung van mo snippets", "chung han mo snippets", "chung van mao snippets", "chung van do snippets", "chung van ho 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: (((("chung van mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chung van mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chung van mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chung van mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.