Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
ve triet » va trien, su triet
cuu tre » cua tre, cau tren, cau treo
va hanh » van hanh, va thanh, va danh
cam luc » cam xuc, cau luc
vu sach » vu bach, su sach, vu khach
hieu ve » hieu va, hieu van
cai hoi » cau hoi, dai hoi, cai hoa
ly hang » ly quang
ly nang » ky nang, ly vang, ly quang
luc va » duc va, tuc va, loc va
ve cam » ve cham, ve cac, va cam

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 ((ly nang) OR (ly hang)) cai hoi. hieu ve cam luc va hanh thai ((cuu tre) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((ly nang) OR (ly hang)) cai hoi. hieu ve cam luc va hanh thai ((cuu tre) OR (ve triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ((ly nang) OR (ly hang)) cai hoi. hieu ve cam luc va hanh thai ((cuu tre) or (ve triet))".
• Adding a wildcard symbol may retrieve word variants: vu sach ((ly nang) OR (ly hang)) cai hoi. hieu ve cam luc va hanh thai ((cuu tre) or (ve triet))*.