Perhaps you should try some spelling variations:
tang thanh » dang thanh, trung thanh, hoang thanh
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
cong tang » cong thang, cong tan, cong lang
van nang » van quang, van ban, van dong
va nang » da nang, cam nang, kha nang

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 sach - hanh tang ((va nang) OR (van nang)) cong tang thanh san~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - hanh tang ((va nang) OR (van nang)) cong tang thanh san".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh tang ((va nang) OR (van nang)) cong tang thanh san*.