Perhaps you should try some spelling variations:
cong thuat » trong thuat, vuong thuat, cong thuc
hoc thieu » hoc hien
thuat ung » thuat dung, thuat hung, thuat xung
cong nang » cong ngang, cong lang, cong nong
nang phan » nang phat, nang thanh, nang quan
ung cong » dung cong, luong cong, duong cong
phan dau » phan tu, hang dau

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 - thanh cong thuat ung cong nang phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) sach - thanh cong thuat ung cong nang phan dau.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) sach - thanh cong thuat ung cong nang phan dau*.