Perhaps you should try some spelling variations:
thu nang » thu hang, thu bang, tho nang
thi nang » thi cong, ki nang, thi hanh
te sach » toc sach
cac vuc » cac nuoc, cac vung, cac cuoc
minh di » minh ai, minh de, minh duc
ca cuoc » va cuoc, cho cuoc, dao cuoc
hieu ve » hieu va, hieu van
cho hoc » co hoc, khoa hoc
cua cau » cua cac, cua chu, cua cay
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((thu nang) OR (thi nang)) cho hoc. hieu ve ((cac vuc) or (ca cuoc)) van minh di cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((thu nang) OR (thi nang)) cho hoc. hieu ve ((cac vuc) OR (ca cuoc)) van minh di cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((thu nang) OR (thi nang)) cho hoc. hieu ve ((cac vuc) or (ca cuoc)) van minh di cua cau*".