Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giang ho ca snippets" » "giang o ca snippets", "giang vo ca snippets", "giang theo ca snippets", "giang tho ca snippets", "giang cho ca snippets", "giang ho 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: (((("giang ho ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giang ho ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giang ho ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giang ho ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.