Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
thanh thong » thanh thuong, thanh hong, thanh chuong
thieu sach » chieu sach, thien hach, hieu cach
nhung cong » dung cong, thong cong, hang cong
trinh than » trinh thanh, trinh han, trinh toan
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
than cau » toan cau, phan cau, than cap

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 - ((thanh thong) or (thanh thang)) cua nhung cong trinh than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - ((thanh thong) OR (thanh thang)) cua nhung cong trinh than cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - ((thanh thong) or (thanh thang)) cua nhung cong trinh than cau*.