Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hung thang » cang thang, hung tran
trinh toan » tinh toan, thanh toan, trinh han
hanh hang » thanh hang, hang hang, hanh han
cua thong » cua thuong, cua khong, cua tong
theo tin » theo tieu, theo tcvn, thu tin
thao tin » thai tinh, thao kinh, thao tung
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 tin) OR (thao tin)) nang - ((hanh hang) or (hung thang)) cua thong cong trinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tin) OR (thao tin)) nang - ((hanh hang) OR (hung thang)) cua thong cong trinh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo tin) OR (thao tin)) nang - ((hanh hang) or (hung thang)) cua thong cong trinh toan cao".
• Adding a wildcard symbol may retrieve word variants: ((theo tin) OR (thao tin)) nang - ((hanh hang) or (hung thang)) cua thong cong trinh toan cao*.