Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
sang dai » sang tai, lang dai, sang mai
cac truc » cau truc, cac trung, sach truc
dai hai » dai han, dai hoi, dai tai
cac tru » ca tru, cac tro, cac thu
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
y sang » _ sang, duy sang
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach y sang dai hai. hieu qua ((cac truc) OR (cac tru)) va hanh vi cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y sang dai hai. hieu qua ((cac truc) OR (cac tru)) va hanh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: thuat sach y sang dai hai. hieu qua ((cac truc) OR (cac tru)) va hanh vi cuu tre*.