Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
thong cong » tong cong, thong thong, phong chong
hieu manh » chieu xanh, hieu nganh, dieu hanh
chau tinh » cuu tinh, ha tinh, cua tinh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao ((hieu manh) or (chau tinh)) - hanh trinh quan ((thong cong) OR (trong cong)) tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((hieu manh) OR (chau tinh)) - hanh trinh quan ((thong cong) OR (trong cong)) tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao ((hieu manh) or (chau tinh)) - hanh trinh quan ((thong cong) OR (trong cong)) tan toan cau".
• Adding a wildcard symbol may retrieve word variants: chao ((hieu manh) or (chau tinh)) - hanh trinh quan ((thong cong) OR (trong cong)) tan toan cau*.