Perhaps you should try some spelling variations:
trung thanh » truong thanh
nhung tuong » nhung huong, nhung phuong, hung vuong
trung tham » trung tam, trung thang, trung ha
tuong bang » cuong bang, muong bang, trong bang
hieu manh » chieu xanh, hieu nganh, dieu hanh
hoc hieu » hoc thieu, hoc hien, doc hieu
phan dau » phan tu, hang dau
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - thanh ((trung tham) OR (trung thanh)) nhung tuong bang ((phan dau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - thanh ((trung tham) OR (trung thanh)) nhung tuong bang ((phan dau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - thanh ((trung tham) OR (trung thanh)) nhung tuong bang ((phan dau) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - thanh ((trung tham) OR (trung thanh)) nhung tuong bang ((phan dau) or (toan cao))*.