Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc voi can snippets" » "duoc hoi can snippets", "duoc moi can snippets", "duoc noi can snippets", "duoc voi cac snippets", "duoc voi cong snippets", "duoc voi hang snippets"
"locating bug code snippets" » "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: (((("duoc voi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc voi can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc voi can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc voi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.