Perhaps you should try some spelling variations:
trinh toan » tinh toan, thanh toan, trinh han
hoc thieu » toc thieu
tranh cua » doanh cua, manh cua
dung cong » dung trong
ho chieu » theo chieu, doi chieu, mot chieu
cua dung » cua dang, cua dong, qua dung
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) or (((hoc thieu) or (hoc hien)))) xanh - canh tranh cua dung cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (((hoc thieu) OR (hoc hien)))) xanh - canh tranh cua dung cong trinh toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (((hoc thieu) or (hoc hien)))) xanh - canh tranh cua dung cong trinh toan cau*.