Perhaps you should try some spelling variations:
truong ham » truong dai, truong cao, truong dao
tieu sang » chieu sang, tieu dung, tiem nang
truong am » truong lam, truong nam, truong dai
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan thai » dang thai, dan thi, dan than
thai cao » tai cao, thoai cac, thuat cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sang - hanh ((truong am) OR (truong ham)) dung cong dan thai cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sang - hanh ((truong am) OR (truong ham)) dung cong dan thai cao".
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - hanh ((truong am) OR (truong ham)) dung cong dan thai cao*.