Perhaps you should try some spelling variations:
dung sai » dung tai, dung va, dung dat
danh vai » danh sai, danh va, doanh van
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
sach ky » sac ky, sach ty, sach kem
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
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: tu ((sach ky) or (sach y)) nang ma hoa. hieu ve cam xuc va ((danh vai) or (dung sai)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) nang ma hoa. hieu ve cam xuc va ((danh vai) OR (dung sai)) cua tu.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) nang ma hoa. hieu ve cam xuc va ((danh vai) or (dung sai)) cua tu*.