Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
cmanh cua » canh cua, doanh cua, mang cua
ho chieu » theo chieu, doi chieu, mot chieu
manh cua » doanh cua, ban cua
cong tam » cong tac, cong tan, cong nam
tam toan » tap toan, tam than, pham toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (hoc thieu)) sach - hanh ((cmanh cua) or (manh cua)) thong cong tam toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - hanh ((cmanh cua) OR (manh cua)) thong cong tam toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) sach - hanh ((cmanh cua) or (manh cua)) thong cong tam toan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) sach - hanh ((cmanh cua) or (manh cua)) thong cong tam toan ban*.