Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"den sinh cau snippets" » "den sinh code snippets", "den tinh cau snippets", "men sinh cau snippets", "dang sinh cau snippets", "den trinh cau snippets", "den sinh vat snippets", "den sinh va 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: (((("python using java snippets") or ("den sinh cau snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("den sinh cau snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( den sinh cau snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("den sinh cau snippets"))) or ("locating bug core snippets"))*.