Perhaps you should try some spelling variations:
"chua dau tranh snippets" » "chua can tranh snippets", "chua dau tren snippets", "chua dau trong snippets", "chua cau tranh snippets", "chua dac tranh snippets", "chua dan tranh snippets", "chua dau 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 dau 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 dau tranh snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chua dau tranh snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chua dau tranh snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.