Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trang lam di snippets" » "trong lam di snippets", "tran lam di snippets", "trang lai di snippets", "trang lam gi snippets", "trang lay di snippets", "trang nam di 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: (((("trang lam di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trang lam di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trang lam di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trang lam di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.