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