Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
hien nhanh » hien hanh, thien thanh, tien thanh
trung tuan » trung thanh, trung tam
nhung cong » dung cong, thong cong, hang cong
tran tuan » tran xuan, tran quang, tran thanh
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang 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 hien nhanh - thanh ((((trung tuan) OR (truong thanh))) or (tran tuan)) nhung cong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - thanh ((((trung tuan) OR (truong thanh))) OR (tran tuan)) nhung cong tan van ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien nhanh - thanh ((((trung tuan) OR (truong thanh))) or (tran tuan)) nhung cong tan van ban*".