Perhaps you should try some spelling variations:
thieu nien » thien nhien
cua viet » ca viet, hoa viet, cua vat
hanh vai » hanh tai, hanh van, hanh voi
nien cac » vien cac, dien cac, bien cac
hanh va » hang va
luc van » luoc van, luu van, duc van
cac luc » cau luc, coc luc, cac nuoc
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
sac ky » cac ky, sai ky
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky tang xa hoi. thieu nien cac luc van ((((hanh vai) OR (hanh vi))) or (hanh va)) cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky tang xa hoi. thieu nien cac luc van ((((hanh vai) OR (hanh vi))) OR (hanh va)) cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky tang xa hoi. thieu nien cac luc van ((((hanh vai) OR (hanh vi))) or (hanh va)) cua viet".
• Adding a wildcard symbol may retrieve word variants: te sac ky tang xa hoi. thieu nien cac luc van ((((hanh vai) OR (hanh vi))) or (hanh va)) cua viet*.