Perhaps you should try some spelling variations:
"cham can tranh snippets" » "cham canh tranh snippets", "cham tan tran snippets", "cham van ranh snippets", "pham can tranh snippets", "tham canh tranh snippets", "cam chan tranh snippets", "cham can 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: (((("cham can 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: (((("cham can tranh snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham can tranh snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham can tranh snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.