Perhaps you should try some spelling variations:
thanh dam » thanh dat, thanh nam, thanh tam
cham loc » chon loc, cham o, hau loc
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
cao hoa » cao hoat, cao khoa, cau hoa
hieu va » lieu va, hieu qua
y nang » ky nang, ly nang, v nang
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: te sach y nang cao hoa. hieu va ((cham loc) OR (cham soc)) va thanh dam ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang cao hoa. hieu va ((cham loc) OR (cham soc)) va thanh dam ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang cao hoa. hieu va ((cham loc) OR (cham soc)) va thanh dam ((cua te) or (cua tu))".
• Adding a wildcard symbol may retrieve word variants: te sach y nang cao hoa. hieu va ((cham loc) OR (cham soc)) va thanh dam ((cua te) or (cua tu))*.