Perhaps you should try some spelling variations:
trong thanh » truong thanh, trung thanh, rong thanh
quan trong » gian trong
dinh thi » dinh tri
thi hanh » thi thanh
hanh lua » hanh luat, hanh sua, hanh cua
lua lien » luan lien, luat hien, va lien
lien doi » bien doi, hien doi, kien doi
san ban » sang ban, van ban, can ban
ban dat » ban dan, dan dat, ban dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( quan trong thanh san ban dat ) or ( dinh thi hanh lua lien doi ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( quan trong thanh san ban dat ) OR ( dinh thi hanh lua lien doi )).
• Adding a wildcard symbol may retrieve word variants: (( quan trong thanh san ban dat ) or ( dinh thi hanh lua lien doi ))*.