Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi nhanh li snippets" » "chi nhanh li snippets", "phi khanh li snippets", "ghi nhanh li snippets", "phi nhanh vi snippets", "phi thanh loi snippets", "phi nhanh thi 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: (((("phi nhanh li snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi nhanh li snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phi nhanh li snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi nhanh li snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.