Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"co duoc cua snippets" » "co duoc code snippets", "co duoc sua snippets", "co nuoc cua snippets", "co doc cua snippets", "tao duoc cua snippets", "hoa duoc cua snippets", "hoc duoc cua 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 cua 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 cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( co duoc cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("co duoc cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.