Perhaps you should try some spelling variations:
chuyen tach » chuyen sach, chuyen thanh, chuyen tay
hoc chuyen » khong chuyen
hanh trinh » canh tranh, hanh chinh
phong cong » phong chong, thong cong, chong cong
trinh va » trinh van, trinh vat, trinh ve
va phong » van phong, va phuong, va thong
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chuyen tach - hanh trinh va phong cong ((tinh toan) or (van tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chuyen tach - hanh trinh va phong cong ((tinh toan) OR (van tuan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc chuyen tach - hanh trinh va phong cong ((tinh toan) or (van tuan)) cau*.