Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
dang thai » dang thi, dang hai, lang thai
dang khai » dang khoi, dang hai, quang khai
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
nang ma » tang ma, sang ma, nang cao
cua duc » cua tuc, cua nuoc, cua quoc
lanh y » anh y, hanh y, lanh lay
y nang » ky nang, ly nang, v nang
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat lanh y nang ma hoa. lieu va cac nuoc va ((dang thai) or (dang khai)) ((cua te) or (cua duc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh y nang ma hoa. lieu va cac nuoc va ((dang thai) OR (dang khai)) ((cua te) OR (cua duc)).
• Adding a wildcard symbol may retrieve word variants: thuat lanh y nang ma hoa. lieu va cac nuoc va ((dang thai) or (dang khai)) ((cua te) or (cua duc))*.