Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chau phu hon snippets" » "chau phi hon snippets", "chau au hon snippets", "chau tho hon snippets", "chau phuc hon snippets", "chau phu hop snippets", "chau phuc hoi 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: (((("chau phu hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chau phu hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chau phu hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chau phu hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.