Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
dung cong » dung trong
tac thuat » cac thuat, tam thuat, thu thuat
thuat cao » thuat co, thuat bao, thuat cam
khang cu » khung cua, thang cua, chung cu
khan cua » nhan cua, than cua, han cua
cong tac » cong ty

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu tinh - hanh ((khang cu) or (khan cua)) dung cong tac thuat cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu tinh - hanh ((khang cu) OR (khan cua)) dung cong tac thuat cao.
• Adding a wildcard symbol may retrieve word variants: toc thieu tinh - hanh ((khang cu) or (khan cua)) dung cong tac thuat cao*.