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
quang cao » nang cao, quang nam, quang cua
cong van » cong vang, cong san, song van
tuan cu » tuan tu, quan cua, tuan thu
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 ((quang cao) or (tuan cu))~.
• 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 ((quang cao) OR (tuan cu)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - canh ((trinh luat) or (trinh luatg)) nhung cong van ((quang cao) or (tuan cu))*.