Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
thanh tran » thanh trang, thanh toan, thanh tuan
hoc thieu » toc thieu, hoc hien
trung cap » truong cao, trung tam
dung cong » dung trong
thanh tra » thanh toan, thanh hoa
tung cao » nung cao, truong cao, quang cao

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 ((tung cao) or (trung cap)) dung cong ((thanh tran) OR (thanh tra)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh ((tung cao) OR (trung cap)) dung cong ((thanh tran) OR (thanh tra)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - thanh ((tung cao) or (trung cap)) dung cong ((thanh tran) OR (thanh tra)) tap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh ((tung cao) or (trung cap)) dung cong ((thanh tran) OR (thanh tra)) tap*.