Perhaps you should try some spelling variations:
thai cua » than cua, tai cuc, tri cua
thai cuu » tai cuc, thi cuc, thai xu
te sach » toc sach
va tinh » may tinh
cao tuc » dao tuc, cao duc, cao suc
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
y nang » ky nang, ly nang, v nang
va cao » va cac, va co, va dao
ma hoi » mai hoi, xa hoi, ma hoa

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 y nang ma hoi. hieu va cao tuc ((va tinh) or (gia thanh)) ((thai cuu) OR (thai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ma hoi. hieu va cao tuc ((va tinh) OR (gia thanh)) ((thai cuu) OR (thai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ma hoi. hieu va cao tuc ((va tinh) or (gia thanh)) ((thai cuu) OR (thai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ma hoi. hieu va cao tuc ((va tinh) or (gia thanh)) ((thai cuu) OR (thai cua)) tre*.