Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lai vong doi snippets" » "lai dong doi snippets", "lai hong doi snippets", "lai long doi snippets", "lai trong doi snippets", "lai huong doi snippets", "lai dung doi 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: (((("lai vong doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lai vong doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lai vong doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lai vong doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.