Perhaps you should try some spelling variations:
phat xuc » chat xuc, phat xuat, phap xu
van hanh » van thanh, ban hanh, van anh
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
cao hoi » cau hoi, co hoi, cao hoc
va hanh » va danh, ban hanh, dao hanh
cuu tre » cua tre, cau tren, cau treo
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang cao hoi. lieu va phat xuc ((((va hanh) OR (van hanh))) or (va thanh)) vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang cao hoi. lieu va phat xuc ((((va hanh) OR (van hanh))) OR (va thanh)) vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang cao hoi. lieu va phat xuc ((((va hanh) OR (van hanh))) or (va thanh)) vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang cao hoi. lieu va phat xuc ((((va hanh) OR (van hanh))) or (va thanh)) vi cuu tre*.