Perhaps you should try some spelling variations:
nang dai » nang dau, nang tai, lang dai
dai moi » doi moi, dai hoi
hieu su » hieu sau, tieu su, hieu so
su phat » su pham, tu phat, xu phat
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
luc va » tuc va, loc va
vi cua » vai cua, di cua
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 san ky nang dai moi. hieu su phat ((luc va) OR (duc va)) hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky nang dai moi. hieu su phat ((luc va) OR (duc va)) hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu san ky nang dai moi. hieu su phat ((luc va) OR (duc va)) hanh vi cua te*.