Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
chat nhung » chat ngung, thuat nhung, cua nhung
nhung cong » dung cong, thong cong, hang cong
bang thanh » ban thanh, dang thanh, tang thanh
hoc thieu » toc thieu
hanh tinh » hanh trinh, thanh tinh, canh tinh
cong bang » cuong bang, dong bang, hong bang
thanh tap » thanh lap, thanh tai, thanh tay

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hien) or (hoc thieu)) sach - ((hanh tinh) or (nhanh tinh)) chat nhung cong bang thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (hoc thieu)) sach - ((hanh tinh) OR (nhanh tinh)) chat nhung cong bang thanh tap.
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (hoc thieu)) sach - ((hanh tinh) or (nhanh tinh)) chat nhung cong bang thanh tap*.