Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
chat duc » chat xuc, chat doc, chet duoc
va hanh » van hanh, va thanh, va danh
su chat » su phat, du chat, so chat
hieu su » hieu sau, tieu su, hieu so
sang ky » sang kyo, dang ky, tang ky
sang ma » tang ma, nang ma, sang tao
cua tuc » cua duc, cua thuoc, luat tuc
dan ky » van ky
cua tu » cua su, cua cu, cua te

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sang ky) or (dan ky)) sang ma hoa. hieu su chat duc va hanh vai ((cua tu) or (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sang ky) OR (dan ky)) sang ma hoa. hieu su chat duc va hanh vai ((cua tu) OR (cua tuc)).
• Adding a wildcard symbol may retrieve word variants: tu ((sang ky) or (dan ky)) sang ma hoa. hieu su chat duc va hanh vai ((cua tu) or (cua tuc))*.