Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hong mat cua snippets" » "phong mat cua snippets", "duong mat cua snippets", "hoang mai cua snippets", "hong ma cua snippets", "hong manh cua snippets", "hong mang cua 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 mat cua 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 mat cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hong mat cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hong mat cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.