Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
tang thi » dang thi, tang tai, hoang thi
kinh vai » kinh hai, kinh va, kinh van
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky tang » ky nang, ky dang, kho tang
thi hai » thi mai, thi hanh
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
thuc ly » thuc ky, thuc day, thuoc la
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: tu sach ky tang thi hai. hieu ve pham thuc ly kinh vai ((cua te) OR (cua tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky tang thi hai. hieu ve pham thuc ly kinh vai ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky tang thi hai. hieu ve pham thuc ly kinh vai ((cua te) OR (cua tu))*.