Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
vu sach » vu bach, su sach, vu khach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va danh, ban hanh
cua tre » cua te, cuu tre, dua tren
va cau » van cau, va cac, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ty nang xa hoi. lieu va cau truc ((va hanh) or (va thanh)) vi ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty nang xa hoi. lieu va cau truc ((va hanh) OR (va thanh)) vi ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang xa hoi. lieu va cau truc ((va hanh) or (va thanh)) vi ((cua tre) or (cua triet))*.