Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hoc chieu » hoc thieu, ho chieu, hoc dieu
trinh cua » tinh cua, trinh luat, trinh quan
dang cong » dung cong
hang nong » thang long, han tong
vinh toan » tinh toan, hinh toan, minh 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 chieu) or (hoc hien)) tinh - hanh trinh cua ((dang cong) or (hang nong)) vinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc hien)) tinh - hanh trinh cua ((dang cong) OR (hang nong)) vinh toan tap.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc hien)) tinh - hanh trinh cua ((dang cong) or (hang nong)) vinh toan tap*.