Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
luat trong » suat trong, thuat trong, luat thuong
chau tinh » cuu tinh, ha tinh, cua tinh
luat tong » luat thong, luat cong, luat bong
hoc chau » hoc chat, moc chau, hoc cau
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chau tinh - hanh trinh ((luat tong) or (luat trong)) cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chau tinh - hanh trinh ((luat tong) OR (luat trong)) cong dan toan ban*.