Perhaps you should try some spelling variations:
chat cuu » chat huu, chat cua, cap cuu
cham cuu » cap cuu, chat cua
danh ca » dan ca, doanh cua, danh cho
va danh » va dinh, va dan, va hanh
tu sach » thu sach, su sach, tu cach
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
te sach » toc sach
y nang » ky nang, ly nang, v nang
ca cua » co cua
cua te » cua tu

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) or (te sach)) y nang ma hoa. hieu va ((chat cuu) OR (cham cuu)) va danh ca cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) y nang ma hoa. hieu va ((chat cuu) OR (cham cuu)) va danh ca cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) y nang ma hoa. hieu va ((chat cuu) OR (cham cuu)) va danh ca cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) y nang ma hoa. hieu va ((chat cuu) OR (cham cuu)) va danh ca cua te*.