Perhaps you should try some spelling variations:
"chua dan tranh snippets" » "chua can tranh snippets", "chua dan thanh snippets", "chua dan trinh snippets", "cua dan tranh snippets", "chua dac tranh snippets", "chua dau tranh snippets", "chua dan tranh slippers"
"python using a snippets" » "python using a slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("chua dan tranh snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chua dan tranh snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chua dan tranh snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chua dan tranh snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.