Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong thi bo snippets" » "trong thoi bo snippets", "trong thu bo snippets", "trong tho bo snippets", "trong thi bao snippets", "trong thi mo snippets", "trong thi ba 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: (((("trong thi 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: (((("trong thi bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong thi bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong thi bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.