Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, pham duc
vai cua » dai cua, hai cua, lai cua
dang ha » dong ha, dung ha, lang ha
sac ky » sai ky
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sac ky) or (cac ky)) dang ha noi. hieu van ((cham xuc) OR (cham soc)) van hanh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sac ky) OR (cac ky)) dang ha noi. hieu van ((cham xuc) OR (cham soc)) van hanh vai cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sac ky) or (cac ky)) dang ha noi. hieu van ((cham xuc) OR (cham soc)) van hanh vai cua tu".
• Adding a wildcard symbol may retrieve word variants: su ((sac ky) or (cac ky)) dang ha noi. hieu van ((cham xuc) OR (cham soc)) van hanh vai cua tu*.