Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
hanh hanh » hanh han, xanh hanh, nhanh thanh
ho chieu » theo chieu, doi chieu, mot chieu
cong van » cong vang, song van, cong tan
cong san » cong tac
tuan cao » toan cao, juan cao, quang cao
hanh va » hang va, hanh vi

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 hanh va nhung ((cong van) or (cong san)) tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - hanh hanh va nhung ((cong van) OR (cong san)) tuan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) sach - hanh hanh va nhung ((cong van) or (cong san)) tuan cao*".