Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
hang cau » hang dau, hang ca, nhung cau
cham xuc » cam xuc, cham soc, pham duc
chat xuc » chat huu, cam xuc, chao xu
su sach » so sach, vu sach
ty hang » ly hang, ty xang, thi hang
hieu va » lieu va, hieu qua
vai cua » dai cua, hai cua, lai cua
sach ty » sach y, sach tu, sach thu
va hanh » va thanh, va danh, ban hanh
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty hang cau hoi. hieu va ((cham xuc) or (chat xuc)) ((va hanh) or (van hanh)) vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty hang cau hoi. hieu va ((cham xuc) OR (chat xuc)) ((va hanh) OR (van hanh)) vai cua tu.
• Adding a wildcard symbol may retrieve word variants: su sach ty hang cau hoi. hieu va ((cham xuc) or (chat xuc)) ((va hanh) or (van hanh)) vai cua tu*.