Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
cua thong » cua thuong, cua khong, cua tong
cong sat » cong suat, cong san, cong hat
nhan lap » thanh lap, nhan loai, nhan luan
phan lap » phan dau

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 sach - ((hanh tang) OR (hanh mang)) cua thong cong sat ((nhan lap) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - ((hanh tang) OR (hanh mang)) cua thong cong sat ((nhan lap) OR (phan lap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - ((hanh tang) OR (hanh mang)) cua thong cong sat ((nhan lap) or (phan lap))*".