Perhaps you should try some spelling variations:
cong thanh » cong trinh, cong tan, truong thanh
dong thanh » truong thanh
tien manh » tien anh, tien thanh, tieng anh
truong va » truong dai, truong cao, truong dao
hoc tien » hoc tieng, hoc hien, hoc vien
trung ha » trung hoc, trung tam, trung cap
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tien manh - thanh ((truong va) or (trung ha)) dang ((cong thanh) OR (dong thanh)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien manh - thanh ((truong va) OR (trung ha)) dang ((cong thanh) OR (dong thanh)) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc tien manh - thanh ((truong va) or (trung ha)) dang ((cong thanh) OR (dong thanh)) than cap".
• Adding a wildcard symbol may retrieve word variants: hoc tien manh - thanh ((truong va) or (trung ha)) dang ((cong thanh) OR (dong thanh)) than cap*.