Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh trang » canh tranh, hanh trinh, minh trang
cuong tap » luong tap, cong tac, luong tai
chi xanh » chi anh, chi danh, chi hanh
cong tap » cong tac, cong tan, tong tap
toan cao » toan ban, toan tap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - ((hanh trang) or (thanh trung)) va nhung ((cong tap) OR (cuong tap)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - ((hanh trang) OR (thanh trung)) va nhung ((cong tap) OR (cuong tap)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - ((hanh trang) or (thanh trung)) va nhung ((cong tap) OR (cuong tap)) toan cao".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - ((hanh trang) or (thanh trung)) va nhung ((cong tap) OR (cuong tap)) toan cao*.