Perhaps you should try some spelling variations:
luat quang » luat quan, xuat quang, chat quang
hanh trinh » canh tranh, hanh chinh
chau tinh » cuu tinh, ha tinh, cua tinh
luat dung » suat dung, luat chung, thuat dung
doi chau » doi chieu, gioi chau, hoi chu
cong tan » cong tac, cong san, cong thanh
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chau tinh - hanh trinh ((luat dung) OR (luat quang)) cong tan ((toan tai) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chau tinh - hanh trinh ((luat dung) OR (luat quang)) cong tan ((toan tai) or (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: doi chau tinh - hanh trinh ((luat dung) OR (luat quang)) cong tan ((toan tai) or (toan tap))*.