Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
tu sach » thu sach, te sach, tu cach
cau xuc » cam xuc, cau luc, cau truc
su sach » so sach, vu sach
hanh ca » hanh cac, hanh cat, hanh cua
nang ho » nang hoc, nang co, tang ho
xuc van » duc van, luc van, vuc van
ca cua » co cua
va cau » van cau, va cac, va dau
nang o » nang co, nang ro, nang x
cua te » cua tu

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) or (su sach)) ky ((nang o) OR (nang ho)) hai. lieu va cau xuc van hanh ca cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky ((nang o) OR (nang ho)) hai. lieu va cau xuc van hanh ca cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (su sach)) ky ((nang o) OR (nang ho)) hai. lieu va cau xuc van hanh ca cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ky ((nang o) OR (nang ho)) hai. lieu va cau xuc van hanh ca cua te*.