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