Perhaps you should try some spelling variations:
phong chuyen » khong chuyen, thong chuyen, phong thuyen
hoach dinh » hoang dinh
sach dinh » sach kinh, sach danh, xac dinh
thuc bach » truc bach, thuc cach, thuoc sach
thai cong » tai cong, thi cong, thanh cong
bach hoa » bach khoa, bach ha, cach hoan
hoa thai » hong thai, hoa phan, hoa chat
cong le » cuong le, cong li, hong le
le dinh » le minh

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 dinh) OR (hoach dinh)) phong chuyen đe ky thuat: kien thuc bach hoa thai cong le dinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach dinh) OR (hoach dinh)) phong chuyen đe ky thuat: kien thuc bach hoa thai cong le dinh".
• Adding a wildcard symbol may retrieve word variants: tu ((sach dinh) OR (hoach dinh)) phong chuyen đe ky thuat: kien thuc bach hoa thai cong le dinh*.