Perhaps you should try some spelling variations:
thanh trung » thanh tung
hieu nganh » vien nganh, hiem ngan, hieu manh
chieu xanh » chieu sach, chieu sang, chieu tinh
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
thong dan » thong van, tuong dan, thong den
thanh lap » thanh san, phan lap, thanh hai
than cap » khan cap, thanh cac, than cua

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 nganh) or (chieu xanh)) - thanh trung cap thong thong dan ((than cap) OR (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu nganh) OR (chieu xanh)) - thanh trung cap thong thong dan ((than cap) OR (thanh lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu nganh) or (chieu xanh)) - thanh trung cap thong thong dan ((than cap) OR (thanh lap))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu nganh) or (chieu xanh)) - thanh trung cap thong thong dan ((than cap) OR (thanh lap))*.