Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
nhung cong » dung cong, thong cong, hang cong
tran thanh » ban thanh, van thanh
quan thanh » ban thanh, van thanh
hoc thieu » toc thieu, hoc hien
tuong dan » huong dan, tung dan, xuong dan
dan nhung » ban nhung, dap nhung, san nhung
ho chieu » theo chieu, doi chieu, mot chieu

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)) tach - thanh tuong dan nhung cong ((tran thanh) OR (quan thanh)) lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) tach - thanh tuong dan nhung cong ((tran thanh) OR (quan thanh)) lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) tach - thanh tuong dan nhung cong ((tran thanh) OR (quan thanh)) lap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) tach - thanh tuong dan nhung cong ((tran thanh) OR (quan thanh)) lap*.