Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang phat ve snippets" » "nang phat ve snippets", "nhung phat ve snippets", "van phat ve snippets", "hang nhat ve snippets", "hang phat vi snippets", "hang pha ve 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: (((("hang phat ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang phat ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang phat ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang phat ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.