Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao hoi cham snippets" » "dao hoi code snippets", "dao hoi chuc snippets", "dao hoi chu snippets", "dao toc cham snippets", "dao thoi cham snippets", "dai hoi cham snippets", "dao ho 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: (((("dao hoi 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: (((("dao hoi cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dao hoi cham snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao hoi cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.