Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang hanh du snippets" » "dang thanh du snippets", "ban hanh du snippets", "dang van du snippets", "dang hanh dua snippets", "dang hanh tu snippets", "dang hanh de 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: (((("dang hanh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang hanh du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang hanh du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang hanh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.