Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trien van bo snippets" » "thien van bo snippets", "trien san bo snippets", "trien nhan bo snippets", "trien van bao snippets", "trien van bon snippets", "trien can bo 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: (((("trien van bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trien van bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trien van bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trien van bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.