Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khung hon bo snippets" » "khung hoc bo snippets", "khung mon bo snippets", "khung hoang bo snippets", "khung hon so snippets", "khung con bo snippets", "khung gon 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: (((("khung hon 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: (((("khung hon bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khung hon bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khung hon bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.