Perhaps you should try some spelling variations:
dong truong » duong truong, dong trong, dong thuong
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhanh lao » nhanh lang, nhan tao, nhanh ha
xuong dan » huong dan, xuong san, nguong dan
tuong dan » huong dan, tung dan, truong dai
lao dong » ha dong, van dong
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan 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 chieu tinh - nhanh lao dong truong ((xuong dan) OR (tuong dan)) ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - nhanh lao dong truong ((xuong dan) OR (tuong dan)) ((toan tai) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tinh - nhanh lao dong truong ((xuong dan) OR (tuong dan)) ((toan tai) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - nhanh lao dong truong ((xuong dan) OR (tuong dan)) ((toan tai) or (toan cao))*.