Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, hoc hien, hoc dieu
hanh hang » thanh hang, hang hang, hanh han
ho chieu » theo chieu, hoc thieu, doi chieu
va thong » va thuong, va phuong, he thong
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan tap » phan lap, han tap, pha tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) OR (ho chieu)) sach - hanh hang va thong cong tan phan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (ho chieu)) sach - hanh hang va thong cong tan phan tap".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) OR (ho chieu)) sach - hanh hang va thong cong tan phan tap*.