Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong hat doi snippets" » "cong hat code snippets", "cong nhat doi snippets", "cong chat doi snippets", "cong ha doi snippets", "cong hoat doi snippets", "cong thay doi snippets", "cong hang doi 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: (((("cong hat doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong hat doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong hat doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hat doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.