Perhaps you should try some spelling variations:
trinh toan » tinh toan, thanh toan, trinh han
hanh hang » thanh hang, hang hang, hanh han
hung tran » huong tran, quang tran, hung thang
tong cong » trong cong, cong cong, dung cong
theo tin » thao tin, theo tcvn, thu tin
cua tong » cua cong, cua dong, cua nong
toan ban » van ban

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 (theo tieu)) nang - ((hanh hang) or (hung tran)) cua tong cong trinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tin) OR (theo tieu)) nang - ((hanh hang) OR (hung tran)) cua tong cong trinh toan ban.
• Adding a wildcard symbol may retrieve word variants: ((theo tin) or (theo tieu)) nang - ((hanh hang) or (hung tran)) cua tong cong trinh toan ban*.