Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"co duoc cham snippets" » "co duoc code snippets", "co duoc pham snippets", "co duoc chat snippets", "co duoc kham snippets", "tao duoc cham snippets", "hoa duoc cham snippets", "hoc duoc cham snippets"
"python using java snippets" » "python using data 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: (((("co duoc cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("co duoc cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( co duoc cham snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("co duoc cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.