Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat muong du snippets" » "sat muong du snippets", "chat luong du snippets", "thai muong du snippets", "hat luong du snippets", "hat mong du snippets", "hat muong dieu 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: (((("hat muong 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: (((("hat muong du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat muong du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat muong du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.