Perhaps you should try some spelling variations:
sach phat » sach nha, sach tham, cach pha
tong minh » thong minh, trong minh, song minh
sach cha » sach nha, sach che, sach ha
giai nam » giai nan, gian nam, giai bai
nam cong » nam cuong, nam dong, dam cong
phat dan » hat dan, phan dang, pham dang
dan giai » dan gian, luan giai, va giai
giai san » giai han, giai doan, giang san
san tong » han tong, ban tong, san bong
tu sach » thu sach, su sach, te sach
me giai » de giai, ve giai, ke giai
vu sach » vu bach, su sach, vu khach

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 cha me giai nam cong trinh ) or ( vu sach phat dan giai san tong minh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach cha me giai nam cong trinh ) OR ( vu sach phat dan giai san tong minh ))*.