Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
chat duc » chat xuc, chat doc, chet duoc
duc van » duc va, duc tan, duc manh
vai cua » dai cua, hai cua, lai cua
dai kho » dai khoa, dai tho, dai ho
tang ha » lang ha, tang ma, trung ha
sai kho » tai khoa, dai khoa, mai khoa
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
ha hoi » hoa hoi, ha noi, xa hoi
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sai kho) OR (dai kho)) tang ha hoi. hieu va chat duc van hanh vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sai kho) OR (dai kho)) tang ha hoi. hieu va chat duc van hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sai kho) OR (dai kho)) tang ha hoi. hieu va chat duc van hanh vai cua te*.