Perhaps you should try some spelling variations:
trinh toan » tinh toan, thanh toan, trinh han
sieu tinh » lieu tinh, sieu hinh, trieu tinh
kieu tinh » lieu tinh, trieu tinh, diep tinh
hanh luan » khanh luan, hang luan, hanh luat
van duong » van dong, van phong, hai duong
van dung » van dong, xay dung, tin dung
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 ((sieu tinh) OR (kieu tinh)) - hanh luan ((van duong) or (van dung)) cong trinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((sieu tinh) OR (kieu tinh)) - hanh luan ((van duong) OR (van dung)) cong trinh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((sieu tinh) OR (kieu tinh)) - hanh luan ((van duong) or (van dung)) cong trinh toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((sieu tinh) OR (kieu tinh)) - hanh luan ((van duong) or (van dung)) cong trinh toan tap*.