Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc anh
hieu cao » chieu cao, hieu cac, hieu ca
va doanh » van doanh, vay doanh, va danh
hoc cac » hoc cao
nang ma » tang ma, nang cao, mang may
sang ma » tang ma, sang tao, mang may
cao cam » cao cap, cao dam, cad cam
cuc tre » duc tre, cua tre, cuu tre
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc sach) OR (hoc cac)) ky ((nang ma) or (sang ma)) hoi. hieu cao cam xuc va doanh tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sach) OR (hoc cac)) ky ((nang ma) OR (sang ma)) hoi. hieu cao cam xuc va doanh tai cuc tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc sach) OR (hoc cac)) ky ((nang ma) or (sang ma)) hoi. hieu cao cam xuc va doanh tai cuc tre".
• Adding a wildcard symbol may retrieve word variants: ((hoc sach) OR (hoc cac)) ky ((nang ma) or (sang ma)) hoi. hieu cao cam xuc va doanh tai cuc tre*.