Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
thang cua » thong cua, hang cua, than cua
dung cong » dung trong
tac thuat » cac thuat, tam thuat, thu thuat
thuat cao » thuat co, thuat bao, thuat cam
khan cua » than cua, han cua, khien cua
nhan cua » nhat cua, nhan luc, nhan su
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: hoc thieu tinh - hanh ((thang cua) or (((khan cua) OR (nhan cua)))) dung cong tac thuat cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh ((thang cua) OR (((khan cua) OR (nhan cua)))) dung cong tac thuat cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - hanh ((thang cua) or (((khan cua) OR (nhan cua)))) dung cong tac thuat cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh ((thang cua) or (((khan cua) OR (nhan cua)))) dung cong tac thuat cao*.