Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
theo chieu » theo tieu, ho chieu, theo chu
trinh toan » tinh toan, thanh toan, trinh han
hoc thieu » toc thieu, hoc hien
thang cua » thong cua, hang cua, than cua
cong cong » cong dong, trong cong, dang cong
dung cong » dung trong
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: ((theo chieu) or (hoc thieu)) tinh - thanh thang cua ((cong cong) OR (dung cong)) trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (hoc thieu)) tinh - thanh thang cua ((cong cong) OR (dung cong)) trinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (hoc thieu)) tinh - thanh thang cua ((cong cong) OR (dung cong)) trinh toan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (hoc thieu)) tinh - thanh thang cua ((cong cong) OR (dung cong)) trinh toan cau*.