Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh cong bo snippets" » "dinh cuong bo snippets", "dinh hong bo snippets", "dinh long bo snippets", "dinh cong bao snippets", "dinh cong so snippets", "dinh cong 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: (((("dinh cong 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: (((("dinh cong bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh cong bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh cong bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.