Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luan anh mot snippets" » "luan anh code snippets", "luan danh mot snippets", "tuan anh mot snippets", "lan anh mot snippets", "luan hanh mot snippets", "luan thanh mot snippets", "luan tnhh mot 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 ("luan anh mot snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("luan anh mot snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( luan anh mot snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("luan anh mot snippets"))) or ("locating bug core snippets"))*.