Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"bi trinh ven snippets" » "bi trinh van snippets", "bi trinh ve snippets", "bi trinh den snippets", "bi tinh ven snippets", "qui trinh ven snippets", "thi trinh ven 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: (((("bi trinh ven snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bi trinh ven snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( bi trinh ven snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bi trinh ven snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.