Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"yang dan hoc snippets" » "yang dan code snippets", "yang danh hoc snippets", "tang dan hoc snippets", "dang dan hoc snippets", "yang van hoc snippets", "yang dan toc snippets", "yang dai hoc 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: (((("yang dan hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("yang dan hoc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( yang dan hoc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("yang dan hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.