Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hong sat che snippets" » "hong mat che snippets", "cong suat che snippets", "hoang san che snippets", "hong sach che snippets", "hong sang che snippets", "hong hat cheo 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 sat che 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 sat che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hong sat che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hong sat che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.