Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap hat doi snippets" » "phap phat doi snippets", "phap chat doi snippets", "phap han doi snippets", "phap hoat doi snippets", "phap thay doi snippets", "phap hang 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: (((("phap hat 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: (((("phap hat doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap hat doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap hat doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.