Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc khien » hoc hien, hoc nghien, hoc vien
hoc thieu » toc thieu, hoc hien
trung tao » trung tam, trong tao, trung tai
tao thong » tao trong, giao thong, toan thong
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc khien) or (hoc thieu)) thich - thanh trung tao thong ((cong ban) OR (cong tan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc khien) OR (hoc thieu)) thich - thanh trung tao thong ((cong ban) OR (cong tan)) than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc khien) or (hoc thieu)) thich - thanh trung tao thong ((cong ban) OR (cong tan)) than cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc khien) or (hoc thieu)) thich - thanh trung tao thong ((cong ban) OR (cong tan)) than cau*.