Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
hanh tram » hanh tam, hanh trang, thanh tran
van thong » van thuong, van phong, va thong
cong tinh » cong trinh, cong vinh, long tinh
ho chieu » theo chieu, doi chieu, mot chieu
tram van » tran van, tam van, trang van
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)) sach - hanh tram van thong cong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - hanh tram van thong cong tinh toan cao.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sach - hanh tram van thong cong tinh toan cao*.