Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hong hinh he snippets" » "hong hanh he snippets", "thong minh he snippets", "hang chinh he snippets", "hong hinh ha snippets", "hong tinh he snippets", "hong chinh che 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: (((("hong hinh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hong hinh he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hong hinh he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hong hinh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.