Perhaps you should try some spelling variations:
thien van » thi van
nang cau » nang cao, hang cau, nang dau
sach ky » sach y, sach ty, sach kem
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
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: te ((sach ky) OR (sac ky)) nang cau hoi. ((thien van) or (lieu va)) cam xuc va hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sac ky)) nang cau hoi. ((thien van) OR (lieu va)) cam xuc va hanh vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ky) OR (sac ky)) nang cau hoi. ((thien van) or (lieu va)) cam xuc va hanh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) OR (sac ky)) nang cau hoi. ((thien van) or (lieu va)) cam xuc va hanh vi cuu tre*.