Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
hoc thien » hoc hien, hoc thieu, hoc thiet
trung cua » trung tuan, trung cap, dung cua
ban than » ban thanh, van thanh, ban hang
van than » van thanh, van thang, van tuan

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 - thanh ((trung cua) OR (truong cua)) nhung cong ((ban than) or (van than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - thanh ((trung cua) OR (truong cua)) nhung cong ((ban than) OR (van than)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien hach - thanh ((trung cua) OR (truong cua)) nhung cong ((ban than) or (van than)) cau*".