Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tue trinh he snippets" » "tue trinh code snippets", "tue tinh he snippets", "tuyet trinh he snippets", "tien trinh he snippets", "tue trinh han snippets", "tue trinh hoa snippets", "tue trinh ky 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: (((("tue trinh he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tue trinh he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tue trinh he snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tue trinh he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.