Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
xa thanh » va thanh, ha thanh, ta thanh
nang mai » nang ma, nang tai, lang mai
xa khanh » van khanh, dat khanh, hoa khanh
cua tre » cua te, cuu tre, cua triet
tu sach » thu sach, su sach, te sach
qua cam » qua cham, qua cac, qua ca
mai hoi » mai khoi, dai hoi, lai hoi
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang

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 v nang mai hoi. hieu qua cam xuc ((xa thanh) or (xa khanh)) vi ((cua tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach v nang mai hoi. hieu qua cam xuc ((xa thanh) OR (xa khanh)) vi ((cua tre) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: tu sach v nang mai hoi. hieu qua cam xuc ((xa thanh) or (xa khanh)) vi ((cua tre) or (su triet))*.