Perhaps you should try some spelling variations:
thien van » thi van
thu sai » thu hai, thu tai, thu san
hieu ve » hieu va, hieu van
dao duc » giao duc, tao duoc
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
cua tuc » cua duc, cua tu, cua thuoc
sai ky » sac ky
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sai ky nang x hoi. ((hieu ve) or (thien van)) dao duc va hanh di cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sai ky nang x hoi. ((hieu ve) OR (thien van)) dao duc va hanh di cua tuc*.