Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"thuc dan du snippets" » "thuc hanh du snippets", "hoc dan du snippets", "thuc vat du snippets", "thuc dan dau snippets", "thuc danh du snippets", "thuc dan su 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: (((("python using data snippets") or ("thuc dan du snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data snippets") OR ("thuc dan du snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( python using data snippets ) or ( thuc dan du snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") or ("thuc dan du snippets"))) or ("locating bugs code snippets"))*.