Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
luong van » luong va, duong van, luong vat
trung ha » trung hoc, trung tam, trung cap
dong vat » dong va, dong von, dong ha
quan cau » quang cao, toan cau, quan ha
toan ban » van ban
ha cong » hoa cong, va cong, ha dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu tinh - thanh trung ha cong ((dong vat) or (luong van)) ((quan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh trung ha cong ((dong vat) OR (luong van)) ((quan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh trung ha cong ((dong vat) or (luong van)) ((quan cau) or (toan ban))*.