Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang dinh du snippets" » "dang dinh du snippets", "tang binh du snippets", "nang dinh du snippets", "tang dinh duc snippets", "tang dinh cu snippets", "tang dinh tu 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: (((("tang dinh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang dinh du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang dinh du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang dinh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.