Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trong manh » trong minh, trong anh, trong mach
thong cua » thong quan, thong tu, huong cua
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
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: ho chieu tinh - hanh ((thong cua) or (hang va)) dung trong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh ((thong cua) OR (hang va)) dung trong manh toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh ((thong cua) or (hang va)) dung trong manh toan cau*.