Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
thuat dung » thuat hung, thuat ung, thuat xung
cong nganh » cong ngang, trong nganh, duong nganh
nganh toan » nganh thanh, thanh toan, manh toan
hoc thieu » hoc hien
dung cong » dung trong
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: ((hoc thieu) or (toc thieu)) sach - ((hanh trinh) or (canh tranh)) thuat dung cong nganh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) sach - ((hanh trinh) OR (canh tranh)) thuat dung cong nganh toan ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) sach - ((hanh trinh) or (canh tranh)) thuat dung cong nganh toan ban*.