Perhaps you should try some spelling variations:
hoach thien » hoach chien, hoan thien, cach thien
thong minh » thong tin, hoang minh
doan trong » doan truong, doanh trong, doan trung
trong tinh » truong tinh, trong kinh, trong sinh
thien ke » thiet ke
ke nguoi » le nguoi, ky nguoi, me nguoi
nguoi co » nguoi do, nguoi dao, nguoi moi
co thong » bo thong, co trong, co phong
sach che » sach thue, sach nha, sach cap
tu sach » thu sach, su sach, te sach
me giai » de giai, ve giai, ke giai
che me » che my

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thu hoach thien ke nguoi co thong minh ) or ( tu sach che me giai doan trong tinh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach thien ke nguoi co thong minh ) OR ( tu sach che me giai doan trong tinh )).
• Adding a wildcard symbol may retrieve word variants: (( thu hoach thien ke nguoi co thong minh ) or ( tu sach che me giai doan trong tinh ))*.