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