Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, pho thong
thong minh » thong tin, hoang minh
phan xuong » phan cong
xuong minh » duong minh, luong minh, truong minh
sach cha » sach che, sach ha, sach cua
gia phan » gia nhan, gia pha, gia thanh
tu sach » thu sach, su sach, te sach
me giai » de giai, ve giai, ke giai
nha me » nha mo, nha xe
me gia » de gia, he gia, ke gia

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 phap thong minh ) or ( tu sach nha me gia phan xuong minh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach cha me giai phap thong minh ) OR ( tu sach nha me gia phan xuong minh )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach cha me giai phap thong minh ) or ( tu sach nha me gia phan xuong minh ))*.