Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhan dang
hoc thieu » toc thieu, hoc hien
cong cong » cong dong, trong cong, dung cong
cong tinh » cong trinh, cong vinh, long tinh
doc hieu » toc thieu, hoc hien
lang van » dang van, tang van, hoang van
van cong » van dong, van phong, phan cong
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: ((hoc thieu) or (doc hieu)) sach - nhanh lang van cong cong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doc hieu)) sach - nhanh lang van cong cong tinh toan cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doc hieu)) sach - nhanh lang van cong cong tinh toan cao*.