Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
nhung cong » dung cong, hang cong, nhung don
chua nang » chuc nang, chua xang, kha nang
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
chu nang » chuc nang, cuu nang, chu bang
tinh cua » trinh cua, sinh cua, tinh chat
van tuan » van quan, van ban, anh tuan
tuan tai » toan tai, quan tai, tan tai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tho ((chu nang) OR (chua nang)) - hanh tinh cua ((nhung cong) or (thong cong)) van tuan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tho ((chu nang) OR (chua nang)) - hanh tinh cua ((nhung cong) OR (thong cong)) van tuan tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tho ((chu nang) OR (chua nang)) - hanh tinh cua ((nhung cong) or (thong cong)) van tuan tai".
• Adding a wildcard symbol may retrieve word variants: tho ((chu nang) OR (chua nang)) - hanh tinh cua ((nhung cong) or (thong cong)) van tuan tai*.