Perhaps you should try some spelling variations:
thai cuu » thai cua, tai cuc, thai xu
van hanh » van thanh, ban hanh, van anh
thi cuc » tai cuc
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
hieu va » lieu va, hieu qua
nang o » nang co, nang ho, nang ro
tu san » thu san, tu ban, tu can
tu bat » tu ban, tu dat
o lao » o lai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu bat) or (tu san)) ky nang o lao. hieu va cac xuc van hanh ((thai cuu) OR (thi cuc)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu bat) OR (tu san)) ky nang o lao. hieu va cac xuc van hanh ((thai cuu) OR (thi cuc)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu bat) or (tu san)) ky nang o lao. hieu va cac xuc van hanh ((thai cuu) OR (thi cuc)) tre*".