Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tac dinh cac snippets" » "tac dinh code snippets", "xac dinh cac snippets", "tai dinh cac snippets", "tac danh cac snippets", "tac tinh cach snippets", "tac dinh chuc snippets", "tac dinh chau 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 ("tac dinh cac snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tac dinh cac snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tac dinh cac snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tac dinh cac snippets"))) or ("locating bug core snippets"))*.