Perhaps you should try some spelling variations:
mang truong » tang truong, nang truong, mang trong
thien tinh » khien tinh, thien minh, tien tinh
dien tinh » diep tinh, bien tinh, dien hinh
truong va » truong dai, truong cao, truong dao
dang cong » dung cong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban
va dang » van dang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien tinh) or (dien tinh)) - mang truong va dang cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien tinh) OR (dien tinh)) - mang truong va dang cong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien tinh) or (dien tinh)) - mang truong va dang cong dan toan tap*.