Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
khung cua » chung cua, khung luan, chung cu
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
khan cua » than cua, han cua, khien cua
nhan cua » nhat cua, nhan luc, nhan su
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cao » toan cao, thai cao, than cap

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 tinh - hanh ((khung cua) or (((khan cua) OR (nhan cua)))) dung cong tac than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh ((khung cua) OR (((khan cua) OR (nhan cua)))) dung cong tac than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - hanh ((khung cua) or (((khan cua) OR (nhan cua)))) dung cong tac than cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh ((khung cua) or (((khan cua) OR (nhan cua)))) dung cong tac than cao*.