Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lau mong doi snippets" » "lai mong doi snippets", "va mong doi snippets", "ca mong doi snippets", "lau vong doi snippets", "lau dong doi snippets", "lau mong do 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: (((("lau mong 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: (((("lau mong doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lau mong doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lau mong doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.