Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac kieu cuc snippets" » "cac kieu code snippets", "cach tieu cuc snippets", "cac yeu cuc snippets", "tac kiem cuc snippets", "cac kieu cuoi snippets", "cac dieu cua snippets", "cac hieu cac 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: (((("cac kieu cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac kieu cuc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cac kieu cuc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac kieu cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.