Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
cua triet » cua viet, su triet, va triet
thanh ve » hanh ve, thanh va, thanh vien
ty hang » ly hang, ty xang, thi hang
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, xuc ban
vuc van » duc van, luc van, thuc van
ty nang » ky nang, ty xang, ly nang
ve cua » le cua, de cua, te cua
va dau » va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat lanh ((ty nang) OR (ty hang)) xa hoi. hieu va dau ((xuc van) or (vuc van)) thanh ve cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh ((ty nang) OR (ty hang)) xa hoi. hieu va dau ((xuc van) OR (vuc van)) thanh ve cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat lanh ((ty nang) OR (ty hang)) xa hoi. hieu va dau ((xuc van) or (vuc van)) thanh ve cua triet".
• Adding a wildcard symbol may retrieve word variants: thuat lanh ((ty nang) OR (ty hang)) xa hoi. hieu va dau ((xuc van) or (vuc van)) thanh ve cua triet*.