Perhaps you should try some spelling variations:
dieu tinh » diep tinh, lieu tinh, dien tinh
hanh tang » hanh trang, hanh mang, nhanh thang
hanh tung » thanh tung, manh tung, hanh dung
dang cong » dung cong
hoc dieu » hoc thieu, hoc hien
anh tang » anh bang, anh dang, anh nang
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc dieu tinh - ((((hanh tang) OR (hanh tung))) or (anh tang)) cua dang cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dieu tinh - ((((hanh tang) OR (hanh tung))) OR (anh tang)) cua dang cong tan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc dieu tinh - ((((hanh tang) OR (hanh tung))) or (anh tang)) cua dang cong tan toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc dieu tinh - ((((hanh tang) OR (hanh tung))) or (anh tang)) cua dang cong tan toan tap*.