Perhaps you should try some spelling variations:
thanh trung » thanh tung
trinh toan » tinh toan, thanh toan, trinh han
hieu lang » chieu sang, hieu quang, nhieu tang
chau tinh » cuu tinh, ha tinh, cua tinh
cap dung » cao dung, chan dung, cach dung
toan cao » toan ban, toan tap
ap dung » xay dung, van dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chau tinh)) - thanh trung ((cap dung) or (ap dung)) cong trinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chau tinh)) - thanh trung ((cap dung) OR (ap dung)) cong trinh toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chau tinh)) - thanh trung ((cap dung) or (ap dung)) cong trinh toan cao*.