Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi khac du snippets" » "tho nhac du snippets", "hoc khac du snippets", "khoa khac du snippets", "thoi khac di snippets", "thoi khac do snippets", "thoi khac duan 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: (((("thoi khac 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: (((("thoi khac du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi khac du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi khac du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.