Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu chat bo snippets" » "thu nhat bo snippets", "thu thuat bo snippets", "thuc chan bo snippets", "thu chat bao snippets", "thu chat beo snippets", "thu chat co 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: (((("thu chat 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: (((("thu chat bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu chat bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu chat bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.