Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
thanh tinh » thanh binh, nhanh tinh, than kinh
chat nhung » chat ngung, thuat nhung, cua nhung
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thanh tran » thanh trang, thanh toan, thanh tra
hoc thien » hoc hien, hoc thieu, hoc thiet
hanh tinh » hanh trinh, nhanh tinh, canh tinh
tran van » luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien hach - ((hanh tinh) OR (thanh tinh)) chat nhung cong thanh tran van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien hach - ((hanh tinh) OR (thanh tinh)) chat nhung cong thanh tran van".
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - ((hanh tinh) OR (thanh tinh)) chat nhung cong thanh tran van*.