Perhaps you should try some spelling variations:
"chua dac lanh snippets" » "chua dan lanh snippets", "chua dau lanh snippets", "chuan dao lanh snippets", "chua dac manh snippets", "chua dat lanh snippets", "chua dac lanh 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"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("chua dac lanh 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 dac lanh snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chua dac lanh snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chua dac lanh snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.