Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"cac den tinh snippets" » "cac yen tinh snippets", "cac diep tinh snippets", "cac den thanh snippets", "cac dan tinh snippets", "cac don tinh snippets", "cac nen tinh 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: (((("cac den tinh snippets") or ("python using data snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac den tinh snippets") OR ("python using data snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( cac den tinh snippets ) or ( python using data snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("cac den tinh snippets") or ("python using data snippets"))) or ("locating bug code slippers"))*.