Perhaps you should try some spelling variations:
trinh luatg » trinh luan, trinh quang
thieu sach » chieu sach, thien hach, hieu cach
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
cong van » cong vang, cong san, song van
quan cau » quang cao, toan cau, quan ha
tuan tu » tuan thu, tran tu, toan tu
luat » luan, xuat
luatg » luang, xuatg

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 - canh ((trinh luat) or (trinh luatg)) nhung cong van ((quan cau) or (tuan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - canh ((trinh luat) OR (trinh luatg)) nhung cong van ((quan cau) OR (tuan tu)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - canh ((trinh luat) or (trinh luatg)) nhung cong van ((quan cau) or (tuan tu))*.