Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh toan » tinh toan, thanh toan, trinh han
thong cong » trong cong, tong cong, thong thong
cach nhanh » cac nganh, cac nhan, cac thanh
nhanh chau » nhanh cau, thanh chau, nhanh ha
hoc thieu » toc thieu, hoc hien
cong cach » cong cac, cong sach, dong cach

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (mot chieu)) tinh - hanh trinh toan thong cong cach nhanh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (mot chieu)) tinh - hanh trinh toan thong cong cach nhanh chau.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (mot chieu)) tinh - hanh trinh toan thong cong cach nhanh chau*.