Perhaps you should try some spelling variations:
nang tai » tang tai, sang tai, nang cao
hang tai » hang va, dung tai
qua cham » qua hai, qua cac, va cham
va thanh » gia thanh, ban thanh, va tinh
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
vai cua » hai cua, lai cua, bai cua
soc va » hoc va, loc va, doc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky ((nang tai) or (hang tai)) roi. hieu qua cham soc va thanh ((vai cua) or (dai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky ((nang tai) OR (hang tai)) roi. hieu qua cham soc va thanh ((vai cua) OR (dai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: vu sach ky ((nang tai) or (hang tai)) roi. hieu qua cham soc va thanh ((vai cua) or (dai cua)) tre*.