Perhaps you should try some spelling variations:
thanh tung » thanh cong
dan nhung » ban nhung, dap nhung, san nhung
cuong tap » cong tac, luong tai, cong tan
luong tap » luong tai, luong tham, luong thai
theo cau » theo chu, theo cap, theo dau
cau sach » cao sach, hau sach, rau sach
tung dan » dung dan, huong dan, trung dai
cong tap » cong tac, cong tan, tong tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo cau sach - thanh tung dan nhung ((cong tap) or (((cuong tap) or (luong tap)))) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo cau sach - thanh tung dan nhung ((cong tap) OR (((cuong tap) OR (luong tap)))) van ban.
• Adding a wildcard symbol may retrieve word variants: theo cau sach - thanh tung dan nhung ((cong tap) or (((cuong tap) or (luong tap)))) van ban*.