Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hai coi snippets" » "thi mai coi snippets", "thi hanh coi snippets", "thi hai moi snippets", "thi hai chi snippets", "thi hai con 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: (((("thi hai coi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi hai coi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hai coi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hai coi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.