Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh hinh » hanh chinh, hanh dinh, hanh trinh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
ho lieu » co lieu, ho kieu, ho chieu
so lieu » so dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho lieu) or (so lieu)) tinh - ((hanh hinh) or (hanh tinh)) cua nhung cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho lieu) OR (so lieu)) tinh - ((hanh hinh) OR (hanh tinh)) cua nhung cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: ((ho lieu) or (so lieu)) tinh - ((hanh hinh) or (hanh tinh)) cua nhung cong tan toan cao*.